import java.net.*;

public class ReceiveLetterForZhang implements Runnable {
    public void run() {
        DatagramPacket pack = null;
        DatagramSocket postman = null;
        byte data[] = new byte[8192];
        try {
            pack = new DatagramPacket(data, data.length);
            postman = new DatagramSocket(888);
        } catch (Exception e) {
        }
        while (true) {
            if (postman == null) break;
            else
                try {
                    postman.receive(pack);
                    String message = new String(pack.getData(), 0, pack.getLength());
                    System.out.printf("%25s\n", "收到:" + message);
                } catch (Exception e) {
                }
        }
    }
}
